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42 lines
2.4 KiB
C
42 lines
2.4 KiB
C
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/*******************************************************************************
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* *
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* Trick Simulation Environment Software *
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* *
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* Copyright (c) 1996,1997 LinCom Corporation, Houston, TX *
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* All rights reserved. *
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* *
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* Copyrighted by LinCom Corporation and proprietary to it. Any unauthorized *
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* use of Trick Software including source code, object code or executables is *
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* strictly prohibited and LinCom assumes no liability for such actions or *
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* results thereof. *
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* *
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* Trick Software has been developed under NASA Government Contracts and *
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* access to it may be granted for Government work by the following contact: *
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* *
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* Contact: Charles Gott, Branch Chief *
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* Simulation and Graphics Branch *
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* Automation, Robotics, & Simulation Division *
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* NASA, Johnson Space Center, Houston, TX *
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* *
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*******************************************************************************/
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/*
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PURPOSE: (Vector cross product difference) ASSUMPTIONS AND LIMITATIONS: ((3x1 vector implementation)) PROGRAMMERS:
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(((Les Quiocho) (NASA/JSC) (Jan 1990) (v1.0) (Init Release))) */
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/*
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* $Id: dvxv_sub.c 49 2009-02-02 22:37:59Z lin $
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*/
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#include "../include/trick_math.h"
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void dvxv_sub(double diff[], /* Out: Difference of cross product and difference */
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double vect1[], /* In: Vector1 */
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double vect2[])
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{ /* In: Vector2 */
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diff[0] -= ((vect1[1] * vect2[2]) - (vect1[2] * vect2[1]));
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diff[1] -= ((vect1[2] * vect2[0]) - (vect1[0] * vect2[2]));
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diff[2] -= ((vect1[0] * vect2[1]) - (vect1[1] * vect2[0]));
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return;
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}
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